滑车神经

huá chē shén jīng duàn xíng chéng xíng zhuàng fēn sān xíng zhí xíng tū xíng hé jiāo chā xíng

滑车神经CS段行程形状分三型：直型、凸型和交叉型。

The course of the intra-cavernous trochlear nerve had three types: straight, convex and intercrossed type.